TREA

Gerd E. Schaal

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  • Stuttgart, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ventilation device for a space zone
    • Patent number 5,690,165
    • Issue date Nov 25, 1997
    • LTG Lufttechnische GmbH
    • Hans-Werner Roth
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air humidifier
    • Patent number 5,514,193
    • Issue date May 7, 1996
    • LTG Lufttechnische Gesellschaft mit beschrankter Haftung
    • Gerd-Eugen Schaal
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Regenerative heat exchanger
    • Patent number 4,200,441
    • Issue date Apr 29, 1980
    • LTG Lufttechnische GmbH
    • Winfried Honmann
    • F24 - HEATING RANGES VENTILATING